Manually Register a Grandstream Phone to Yeastar S-Series VoIP PBX

Follow the steps below to configure the Grandstream phone.

  1. Log in the Grandstream IP phone web user interface.
    • Username: admin
    • Password: admin
  1. Click “Account” Tab, choose one account, and configure “General Settings”.
  • Account Active: Yes
  • Account Name: set a name for the account, the name will be displayed on the phone LCD.
  • SIP Server: fill in Yeastar S-Series PBX’s IP address.
  • SIP User ID: fill in the extension number.
  • Authenticate ID: fill in the extension’s “Register Name”.
  • Authenticate Password: fill in the extension’s “Registration Password”.
  1. Click “Save and Apply”.
  1. Go to “Status > Account Status” to check the account status, if the extension is registered to Yeastar S-Series PBX, the “SIP Registration” shows “Yes”.
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